A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for spark-ignition internal combustion piston engines, nesoi
NSN 4140-01-655-5038
NSN 5895-01-121-3169
NSN 5910-00-282-2531
NSN 5945-01-049-7839
NSN 5925-01-133-9489
NSN 5996-01-023-7896
NSN 2925-01-482-8202
NSN 6610-01-175-3500
NSN 6110-00-403-3580
NSN 7035-01-134-7080
NSN 6220-01-381-1793
NSN 2925-01-562-1663